{"uid":"cap_LZSAbOLKtJgg9YG1KFIqh","slug":"serp-extract-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-d0b168b9","name":"A2A, MCP & HTTP 402 Endpoint SLA Compliance Auditor","description":"Audits any remote agent or MCP URL for JSON-RPC compliance, latency SLA, OpenAPI schema, and HTTP 402 settlement headers. (Live x402 v2, IETF MPP & MCP endpoint at https://serp-extract.agentdiet.dev/v1/x402-verifier)","url":"https://serp-extract.agentdiet.dev/v1/x402-verifier?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["url"],"properties":{"url":{"type":"string","minLength":1,"description":"Target A2A, MCP, or x402 service URL to audit for protocol compliance"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":[],"displayCostAmount":"0.01","displayCostAsset":"USD","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_znvruZY7IQN41rmqBa6FD","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"serp-extract.agentdiet.dev","brandSlug":"serp-extract-agentdiet-dev-mpp","brandBaseUrl":"https://serp-extract.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Audits any A2A, MCP, or x402 service URL for JSON-RPC compliance, latency SLA, OpenAPI schema validity, and HTTP 402 payment settlement headers","exampleAgentPrompt":"Can you audit https://myagent.example.com/mcp for JSON-RPC compliance, latency SLA, and HTTP 402 payment header support so I know if it meets the x402 v2 spec before I integrate it?","exampleUseCases":[{"title":"Pre-integration MCP server compliance check","prompt":"Before I connect this MCP server at https://tools.mycompany.ai/mcp to my agent pipeline, can you audit it for JSON-RPC compliance, OpenAPI schema validity, and latency SLA?"},{"title":"x402 payment header verification on a live API","prompt":"I want to make sure our payment-gated API at https://api.acmecorp.dev/v1/agent supports HTTP 402 settlement headers correctly per the x402 v2 spec — can you run an audit on it?"},{"title":"Spot-checking a third-party A2A agent endpoint","prompt":"We're evaluating a third-party agent at https://partner.agentservice.io/a2a — can you check whether it's properly JSON-RPC compliant and passes latency SLA thresholds before we onboard it?"}],"resultDescription":"Returns a structured compliance report covering JSON-RPC protocol adherence, measured latency vs SLA thresholds, OpenAPI schema validity, and HTTP 402 settlement header presence and correctness for the audited endpoint.","failureModes":["Target URL is unreachable or times out — returns an error indicating the endpoint could not be contacted","Target URL returns non-JSON or malformed response — compliance fields will indicate failure","Missing or malformed HTTP 402 headers result in payment compliance flagged as non-compliant","Invalid URL format in the request body — returns a validation error","Target endpoint rate-limits the auditor — latency results may be skewed or the probe may fail"],"whenToPreferThis":"Choose this endpoint when you need to programmatically verify that an A2A agent, MCP server, or x402-enabled API meets protocol compliance standards — specifically JSON-RPC correctness, latency SLA, OpenAPI schema conformance, and HTTP 402 payment negotiation headers — before integrating it into an agent pipeline or marketplace listing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T12:35:06.742Z","isFirstParty":false,"canonicalSlug":"serp-extract-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-100ccc18"}